440579065454 has 48 divisors (see below), whose sum is σ = 776952622080. Its totient is φ = 185310553680.

The previous prime is 440579065403. The next prime is 440579065457. The reversal of 440579065454 is 454560975044.

It is a super-2 number, since 2×440579065454² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440579065396 and 440579065405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440579065457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487859 + ... + 1057905.

It is an arithmetic number, because the mean of its divisors is an integer number (16186512960).

Almost surely, 2^440579065454 is an apocalyptic number.

440579065454 is a deficient number, since it is larger than the sum of its proper divisors (336373556626).

440579065454 is a wasteful number, since it uses less digits than its factorization.

440579065454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570165 (or 570122 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 440579065454 in words is "four hundred forty billion, five hundred seventy-nine million, sixty-five thousand, four hundred fifty-four".